Elevated Expression of IRS-1 Associates with p-Akt Expression and Predicts Poor Prognosis of Breast Invasive Ductal Carcinoma

Overexpression of Insulin Receptor Substrate 1 (IRS-1) has been reported to promote cell growth, atypical hyperplasia, and carcinogenesis. And phosphorylated Akt (p-Akt) is certified to be involved in many types of cancers such as breast invasive ductal carcinoma (BIDC). However, the relationship between IRS-1 and Akt, as well as the role of expression of IRS-1 in BIDC, has never been reported. The purpose of this research is to investigate the association between expression of IRS-1 and p-Akt proteins and clinicopathological features of BIDC by immunohistochemistry, as well as the survival status.

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